A robot for gait training includes a walking-assist robot (100) to be put on legs of a walking trainee; a treadmill (200; a load-hoist (300) for supporting the body of the walking trainee; and a controller (400). The controller (400) includes an input unit (410) for receiving or inputting information or commands, and a speed, angle and rotational force of each joint required for training of the walking trainee, an information storage device for selectively storing the information and commands received through the input unit (410), a control unit for controlling the walking-assist robot (100), the treadmill (200) and the load hoist (300) according to the information or commands input through the input unit (410) or transmitted from the information storage device, and a monitor (420) for displaying the information transmitted from the walking-assist robot (100), the treadmill (200), the load hoist (300) and the information storage device.